Base | Representation |
---|---|
bin | 11110101111001001100… |
… | …010100011100010010010 |
3 | 21110220222120011200211200 |
4 | 132233021202203202102 |
5 | 234101301304034302 |
6 | 4254200323252030 |
7 | 305413352435064 |
oct | 36571142434222 |
9 | 7426876150750 |
10 | 2112210221202 |
11 | 744868671894 |
12 | 2a143ab1a016 |
13 | 124246931073 |
14 | 74335411734 |
15 | 39e2416081c |
hex | 1ebc98a3892 |
2112210221202 has 48 divisors (see below), whose sum is σ = 4600365337152. Its totient is φ = 700394859360.
The previous prime is 2112210221179. The next prime is 2112210221213. The reversal of 2112210221202 is 2021220122112.
It is a happy number.
2112210221202 is a `hidden beast` number, since 21 + 1 + 221 + 0 + 221 + 202 = 666.
It is a super-2 number, since 2×21122102212022 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7793188 + ... + 8059664.
It is an arithmetic number, because the mean of its divisors is an integer number (95840944524).
Almost surely, 22112210221202 is an apocalyptic number.
2112210221202 is an abundant number, since it is smaller than the sum of its proper divisors (2488155115950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112210221202 is a wasteful number, since it uses less digits than its factorization.
2112210221202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268783 (or 268780 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 2112210221202 its reverse (2021220122112), we get a palindrome (4133430343314).
The spelling of 2112210221202 in words is "two trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, two hundred two".
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